Patents by Inventor Christiaan Hendrik Hertgers

Christiaan Hendrik Hertgers has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10337762
    Abstract: A heat exchanger for hot water supply (21) is comprised of: a first heat exchanging unit (21) a that heats the water, which is supplied from a second communication section x1 to the hollow portions of hollow plates P1 to P5 and reaches a first communication section y, by a combustion exhaust gas that circulates through the gaps among the hollow plates P1 to P5; and a second heat exchanging unit (21b) that heats the water, which is supplied from the first communication section y to the hollow portions of the hollow plates P6 to P8 below the hollow plates P1 to P5 and reaches a third communication section x2, by a heat medium that circulates through the gaps among the hollow plates P6 to P8.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: July 2, 2019
    Assignee: RINNAI CORPORATION
    Inventor: Christiaan Hendrik Hertgers
  • Publication number: 20180094831
    Abstract: A heat exchanger for hot water supply (21) is comprised of: a first heat exchanging unit (21) a that heats the water, which is supplied from a second communication section x1 to the hollow portions of hollow plates P1 to P5 and reaches a first communication section y, by a combustion exhaust gas that circulates through the gaps among the hollow plates P1 to P5; and a second heat exchanging unit (21b) that heats the water, which is supplied from the first communication section y to the hollow portions of the hollow plates P6 to P8 below the hollow plates P1 to P5 and reaches a third communication section x2, by a heat medium that circulates through the gaps among the hollow plates P6 to P8.
    Type: Application
    Filed: September 29, 2017
    Publication date: April 5, 2018
    Inventor: Christiaan Hendrik Hertgers